/Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineCore/Public/MovieRenderDebugWidget.h
C++ Base Class for the debug widget that is drawn onto the game viewport (but not burned into the output files) that allow us to easily visualize the current state of the pipeline.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(Blueprintable, Abstract) class UMovieRenderDebugWidget : public [UUserWidget](API\Runtime\UMG\Blueprint\UUserWidget)